/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.mfi.controllers;

import com.mfi.models.*;
import com.mfi.models.DBConnection;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.simple.JSONObject;

/**
 *
 *
 * @author administrator2
 */
public class LoginServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            JSONObject obj = new JSONObject();

            if (request.getParameter("username").equals("")) {
                obj.put("error", "Invalid email address.");
                obj.put("success", new Boolean(false));
            } else if (request.getParameter("password").equals("")) {
                obj.put("error", "Invalid password.");
                obj.put("success", new Boolean(false));
            } else {
                String username = request.getParameter("username").toString().trim();
                String password = request.getParameter("password").toString().trim();

                DBConnection connection = new DBConnection();

                Customer c = connection.validateLogin(username, password);
                

                if (c != null) {
                    request.getSession().setAttribute("message", "You are logged in.");
                    request.getSession().setAttribute("account", c);
                    obj.put("success", new Boolean(true));

                    if (c.getType().equals("admin")) {
                        obj.put("redirect", "/manage");
                    } else {
                        obj.put("redirect", "/order");
                    }

                } else {
                    //request.getSession().setAttribute("error", "Invalid username or password.");
                    obj.put("success", new Boolean(false));
                    obj.put("error", "Invalid email address or password.");
                }

            }
            out.print(obj);

        } catch (Exception ex) {
            out.print(ex.getMessage());
        } finally {
            out.close();
        }
    }
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">

    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
